Page 183 - Machinery Component Maintenance

Process Machinery Piping 165

7. THE PIPING AND SEAL POTS SHALL THEN BE NEUTRALIZED
WITH ONE (1) PERCENT BY WEIGHT SODA ASH NA CO
PLUS FIVE TENTHS (0.5) PERCENT BY WEIGHT SZDIJM
NITRITE NANO SOLUTION IN FRFSH WATER CIRCULATED
FOR TWO HOURS HEATED TO 175 I TO 190.F.
8. AFTER NEUTRALIZATION THE PIPING AND SEAL POT SHALL
BE RINSED WITH F2ESH WATER AND AIR DRIED.
V. PRESERVING
1. IMMEDIATELY AFTER DRYING. THE PIPING AND SEAL POTS
SHALL BE FLUSHED OR SPRAYED WITH THE SAME OIL AS WILL
BE USED IN THE SEAL SYSTEM.
2. AFTER THE OIL TREATMENT THE PIPING SHALL BE REASSEMBLED
IF IT WAS DISASSEMBLED IN THE SHOP. ALL OPENINGS SHALL
BE PLUGGED OR CAPPED TO PREVENT ENTRY OF ANY CONTAMINA-
TING MATTER.
3. AS SOON AS ALL WORK ON THE MECHANICAL SEALS HAS BEEN
COMPLETED, THE PIPING AND SEAL POTS SHALL BE RE-
INSTALLED AND THE LINES FILLED WITH PROPER SEAL OIL.
4. THE INSTRUMENTATION SHALL BE RE-INSTALLED AT THIS TIME.
5. AFTER FILLING THE LINES WITH OIL AND RE-INSTALLING
THE INSTRUMENTATION THE PUMP SHALL BE TAGGED TO
INDICATE THAT THE SEAL SYSTEM IS READY FOR SERVICE.